Cigarette smoking behavior among male secondary school students in the Central region of Saudi Arabia.
D000293:Adolescent; D000328:Adult; D003430:Cross-Sectional Studies; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D015995:Prevalence; D012529:Saudi Arabia / Q000453:epidemiology; D012907:Smoking / Q000453:epidemiology; D000074606:Smoking Prevention; D013334:Students / Q000706:statistics & numerical data